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Manage the Modem Router and Monitor the Traffic
171
N600 and AC750 WiFi DSL Modem Routers
6.
Select the
Turn Remote Management On
check box.
7.
In the Allow Remote Access By section, specify the external IP addresses to be allowed to
access the modem router’s remote management:
Note:
For enhanced security, restrict access to as few external IP addresses
as practical.
Select one of the following radio buttons and configure the options accordingly:
To allow access from a single IP address on the Internet, select the
Only This
Computer
radio button. Enter the IP address to be allowed access.
To allow access from a range of IP addresses on the Internet, select the
IP Address
Range
radio button. Enter a beginning and ending IP address to define the allowed
range.
To allow access from any IP address on the Internet, select the
Everyone
radio
button. This radio button is selected by default.
8.
Specify the port number for accessing the web management interface.
The default is 8443, which is a common alternate for HTTPS. For greater security, enter a
custom port number for the remote web management interface. Choose a number from
1024 to 65535, but do not use the number of any common service port.
9.
Click the
Apply
button.
Your settings are saved.
To use remote access:
1.
Launch an Internet browser on a computer that is not on your home network.
2.
Enter your modem router’s WAN IP address into your browser’s address or location field
followed by a colon (:) and the custom port number.
For example, if your external address is 100.168.110.147 and you use port number 8443,
enter
in your browser.
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172
11
11.
Manage Port Forwarding and
Port
Triggering
You can use outbound firewall rules, port forwarding, and port triggering to set up rules for
Internet traffic for services and applications. You need networking knowledge to set up these
features.
This chapter includes the following sections:
Manage Port Forwarding to a Local Server for Services and Applications
Manage Port Triggering for Services and Applications
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Manage Port Forwarding and Port
Triggering
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N600 and AC750 WiFi DSL Modem Routers
Manage Port Forwarding to a Local Server for Services
and Applications
If a server is part of your network, you can allow certain types of incoming traffic to reach the
server. For example, you might want to make a local web server, FTP server, or game server
visible and available to the Internet.
The modem router can forward incoming traffic with specific protocols to computers on your
local network. You can specify the servers for applications and you can also specify a default
DMZ server to which the modem router forwards all other incoming protocols (see
Set Up a
Default DMZ Server
on page
135).
Forward Incoming Traffic for a Default Service or Application
You can forward traffic for a default service or application to a computer on your network.
To forward incoming traffic for a default service or application:
1.
Decide which type of service, application, or game you want to provide.
2.
Find the local IP address of the computer on your network that will provide the service.
The server computer must always receive the same IP address. To specify this setting,
use the reserved IP address feature. See
Manage Reserved LAN IP Addresses
on
page
139.
3.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
4.
Type
.
A login screen displays.
5.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
6.
Click the
OK
button.
The BASIC Home screen displays.
7.
Select
ADVANCED > Advanced Setup > Port Forwarding / Port Triggering
.
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Triggering
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N600 and AC750 WiFi DSL Modem Routers
8.
Make sure that the
Port Forwarding
radio button is selected.
9.
From the
Service Name
menu, select the service or application.
If the service or application that you want to add is not in the list, create a port forwarding
rule with a custom service or application (see
Add a Port Forwarding Rule with a Custom
Service or Application
on page
174).
10.
In the
Server IP Address
field, enter the IP address of the computer that must provide the
service or that runs the application.
11.
Click the
Add
button.
Your settings are saved and the rule is added to the table.
Add a Port Forwarding Rule with a Custom Service or
Application
The modem router lists default services and applications that you can use in port forwarding
rules. If the service or application is not predefined, you can add a port forwarding rule with a
custom service or application.
To add a port forwarding rule with a custom service or application:
1.
Find out which port number or range of numbers the service or application uses.
You can usually find this information by contacting the publisher of the service or
application or through user groups or news groups.
2.
Launch an Internet browser from a computer or WiFi device that is connected to the
network.
3.
Type
.
A login screen displays.
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Manage Port Forwarding and Port
Triggering
175
N600 and AC750 WiFi DSL Modem Routers
4.
Enter the user name and password for the modem router.
The user name is
admin
. The default password is
password
. The user name and
password are case-sensitive.
5.
Click the
OK
button.
The BASIC Home screen displays.
6.
Select
ADVANCED > Advanced Setup > Port Forwarding / Port Triggering
.
The Port Forwarding / Port Triggering screen displays.
7.
Make sure that the
Port Forwarding
radio button is selected.
8.
Click the
Add Custom Service
button.
9.
Specify a new port forwarding rule with a custom service or application as described in the
following table.
Field
Description
Service Name
Enter the name of the custom service or application.
Protocol
Select the protocol (
TCP
or
UDP
) that is associated with the service or application.
If you are unsure, select
TCP/UDP
.
External Start Port
Enter the external start port number that the service or application uses.
External End Port
Enter the external end port number that the service or application uses.
Internal Start Port
Specify the internal start port by one of these methods:
Leave the
Use the same port range for Internal port
check box selected.
Clear the
Use the same port range for Internal port
check box and enter the
internal start port number that the service or application uses.

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